What do an astronomer, a naturalist, a botanist, a beekeeper and Master Gardener have in common? All have volunteered to participate in the spring semester of the Georgia Master Naturalist Program series at Elachee Nature Science Center in Gainesville. In the 11-session course, adults gain the skills and knowledge to become more engaged environmental stewards through discovery and exploration of local habitats and ecosystems, according to a news release from Elachee.